A taxonomic re-assessment in the Chinese Bupleurum (Apiaceae): Insights from morphology, nuclear ribosomal internal transcribed spacer, and chloroplast (trnH-psbA, matK) sequences
Chang-Bao WANG, Xiang-Guang MA, Xing-Jin HE
J Syst Evol . 2011, (6): 558 -589 .  DOI: 10.1111/j.1759-6831.2011.00157.x